3

Iodine intake:
Unless you live in a very remote part of the world, or unless you consume a very unusual diet, there is probably already plenty of iodine in your diet, and more will not help your hypothyroidism. If your thyroid is failing, you need to take levothyroxine in an appropriate dose, and that will take care of the thyroid problem.
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Clarify:
Before you start deciding that there is a problem contact your doctor and ask for clarification. From what you are saying the doctor said everything was normal and that there is no problem.
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10

Crystalline lens:
Your eye is a complicated organ system. Inside the front of the eye there is a fluid chamber between the cornea and the colored part of your eye, called the iris. In the center of the iris there is an opening called the pupil and behind that another chamber between the iris and the crystalline lens. The lens is a disc shaped living tissue composed of regularly arranged collagen with a capsule.
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11

Choriodal Nevi:
This means freckle in eye. Most of them are benign, but you want to follow the recommendation of an ophthalmologist as sometimes people can have choroidal melanoma - a tumor in the eye. Typically photographs can be taken to monitor for changes and if so then sometimes a biopsy is needed. Please see your ophthalmologist if you have not done so. Good luck.
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14

No:
Spiderwebs are types of floaters which do not hurt but are seen when moving the eyes. They are usually harmless but if accompanied by light flashes you should see a retinal specialist right away to rule out possible retinal detachment.
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15

Often w/o Symptoms:
This condition is classically a multi organ inflammatory condition. Specific to the eye, inflammation occurs in the front (iritis) and back (uveitis) of the eye, optic nerve, and lacrimal gland tissue as well. The exact cause of this condition is not known, but it's considerable, often without symptoms, and profound in certain patients. Therefore, I would highly recommend that every patient with sarcoidosis be examined by an amount just regularly. Please take care of this.
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18

Parts of the eye:
Cornea - lets light in and focuses light. Iris/pupil - controls how much light reaches the posterior segment. Lens - focuses light and helps the eye to focus on things at near (up close). Retina - captures light. Optic nerve - collects light information from the the retina and sends to the brain for processing.
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20

Eye color perception:
Color perception is due to the presence of the cones in the retina of the eye sensitive to various wavelengths of light and registered as color in our brain perception of vision. The normal individual perceives a palette of colors although color deficient individuals will lose some of this and have a limited perspective.
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21

Depends:
The amount of eye injury depends on the amount and tye of ocular tissue disrupted by the perforation. If the object penetrates, but doesn't perforate the eye, trauma may be minimal. Perforating injuries of the lens cause cataract, the iris can tear and bleed. Retinal trauma can be devestating. A rupture to the cornea or sclera cannot always be repaired. Velocity of the injury can also disrupt.
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23

Unfortunately yes!:
Depending on severity of a closed, penetrating or perforating ocular injury, vision may not be recoverable. A blind, painful eye is removed for pain relief, cosmetic reasons or to protect the opposite eye, which as strange as it sounds can be lost to a condition called sympathetic ophthalmia, an inflammatory reaction to injury in the opposite eye! Ocular prostheses look amazingly real nowadays!
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24

Electrical impulse:
Very simple explanation: The light hits the photoreceptors. This starts a chemical reaction that initiates neurons to send electrical impulses to the optic nerve, tract, radiation and onto the visual cortex. Here your brain processes the information, again through electical impulses, and creates a visual image.
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26

Normal balance:
The eye is very good at extracting what it needs from the bloodstream. If you have a reasonable balanced diet, then your eyes will find what they need. To help your eyes, see an ophthalmologist on a regular basis to make sure there are no problems.
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27

Diet is important:
There has been much research done that shows your diet is directly related to your eye health. High fat diets have been linked to age-related macular degeneration (amd). Smoking is also a risk factor for amd. Certain nutrients have been shown to be helpful in patients with amd. You should consult with a retina specialist to determine if you should be taking certain eye vitamins.
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28

Eye sensitivity:
The eye is very, very sensitive. Many different stimuli can cause pronounced sensations in and around the eye. You would need to have a thorough eye exam to see what may be causing any particular sensation.
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31

Gets removed:
Most ocular foreign bodies are actually "on" the eye, not "in" the eye, and are removed in the office with eyedrop anesthesia. More rarely, a rapidly moving foreign object will penetrate the wall of the eye, cornea or sclera, and ends up inside. In almost all cases, this will need to be urgently removed with a surgical procedure. The prognosis for recovery depends on the nature of the injury.
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33

Depends:
Anyone with eye needs to see an ophthalmologist asap. On very rare incident if the injury changes the shape of cornea it may alter the refractive error or astigmatism which may cause improvement of the vision. The bottom line is the person needs to see her/his ophthalmologist.
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35

Many:
The uvea is the pigmented layer of the eye behind the iris and behind the retina. It is subject to inflammation, usually non-infectious termed uveitis (or iritis if only in the front). Sometimes this can be associated with systemic diseases like arthritis. The uvea can be traumatized and infected. There are some inherited diseases that cause uveal problems and melanoma can arise in the uvea.
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37

Good lifestyle:
Heredity plays a dominant role but if you eat well, exercise and visit your ophthalmologist regularly, you will maximize your changes to maintain good eye health and vision.
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38

Eye Color:
I assume you are asking about changing it with colored contacts. The answer is no if you use contacts fitted for you and use correct solutions and use them correctly. In other words they need to be prescribed by an optometrist or ophthalmologist.
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39

Get an eye exam:
Depending on the extent of the trauma there may be significant intraocular problems from eye trauma. You need to see an ophthalmologist to make sure you don not need any medical treatment.
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